{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["product producer", "else", "content container"], "input": "a typical pig has a large head with a long snout which is strengthened by a special prenasal bone and by a disk of cartilage in the tip ."}
{"product producer": [], "else": [], "content container": []}